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  3. Mineral Resource Data System (MRDS)

Densmore & Young America

Past Producer in Tuolumne county in California, United States with commodities Gold, Lead
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10077908
MRDS ID W025983
Record type Site
Current site name Densmore & Young America
Related records 10165659

Geographic coordinates

Geographic coordinates: -120.43739, 38.05352 (WGS84)
Elevation 390
Relative position 3 MILES N.W. OF COLUMBIA, OVERLOOKING AND PARTLY IN THE CANYON ON THE STANISLAUS RIVER.

Site location context

Political divisions (FIPS codes)

Tuolumne(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Columbia(quadrangle 1:24,000 scale)

San Andreas(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Stanislaus(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Tuolumne

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 002N 014E 04 California

Commodities

Commodity Importance
Gold Primary
Lead Tertiary

Materials information

Materials Type of material
Galena Ore
Gold Ore
Marcasite Ore
Pyrite Ore

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -120.43739, 38.05352
ListMap

Economic information

Ore body information

  • General form PINCH AND SWELL
    Strike N W
    Dip 60 NE
    Thickness 7.62M
    Length 121.92M
    Width 60.96M

Comments on the geologic information

  • GEOL.DESC: BY 1900 AN ORE SHOOT HAD BEEN THE PRINCIPAL DISCOVERY WITH AN AVERAGE THICKNESS OF 5 FT.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Workings at the site

  • Type of workings Underground
    Area 16.188HA
    Overall depth 121.92M

Comments on the workings information

  • DRIFT ADIT 400 FT. INTERSECTING SHAFT 400 FT FROM SURFACE. THERE WERE SEVERAL MINOR SHAFTS AND ADITS

Reference information

Bibliographic references

  • Deposit

    LOGAN, C.A., 1949 , MINES AND MIN. RES. OF TUOLUMNE COUNTY: CDMG REPT. 45 , P. 62 - 63

  • Deposit

    STORMS, W.H., 1900 , THE MOTHER LODE REGION OF CAL.: CMB BULL. 18 , P. 136

General comments

Subject category Comment text
Deposit VEIN DEPOSIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1978 Albers, J.; Tatkin, T. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Maps centered on this site

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.